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https://www.readbyqxmd.com/read/28074831/rgs9-2-modulates-responses-to-oxycodone-in-pain-free-and-chronic-pain-states
#1
Sevasti Gaspari, Valeria Cogliani, Lefteris Manouras, Ethan M Anderson, Vasiliki Mitsi, Kleopatra Avrampou, Fiona B Carr, Venetia Zachariou
Regulator of G protein signalling 9-2 (RGS9-2) is a striatal enriched signal transduction modulator, known to play a critical role in the development of addiction-related behaviours following exposure to psychostimulants or opioids. RGS9-2 controls the function of several GPCRs, including dopamine and mu opioid (MOR) receptors. We previously showed that RGS9-2 complexes negatively control morphine analgesia, and promote the development of morphine tolerance. In contrast, RGS9-2 positively modulates the actions of other opioid analgesics, such as fentanyl and methadone...
January 11, 2017: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/28071341/identification-of-novel-hits-as-highly-prospective-dual-agonists-for-mu-and-kappa-opioid-receptors-an-integrated-in-silico-approach
#2
Indrani Bera, Mrinal Vishwas Marathe, Pavan V Payghan, Nanda Ghoshal
Opioid agonists are used clinically for the treatment of acute and chronic pain, however, their clinical use is limited due to the presence of undesired side effects. Dual agonists, simultaneously targeting mu and kappa opioid receptors, show fewer side effects than that of selective agonists. In the present work, 2D- and 3D- Quantitative Structure Activity Relationship studies were performed on a series of aminomorphinan derivatives as dual agonists, using a wide range of descriptors. The aim of the study was to identify the structural requirements for the activity of these compounds towards mu and kappa opioid receptors and using the models, with best external predictability, for predicting the activities of new hits obtained from shape based virtual screening of drug like compounds from ZINC database...
January 10, 2017: Journal of Biomolecular Structure & Dynamics
https://www.readbyqxmd.com/read/28068151/prognostic-impact-of-pretreatment-neutrophil-to-lymphocyte-ratio-in-castration-resistant-prostate-cancer-patients-treated-with-first-line-docetaxel
#3
Consuelo Buttigliero, Chiara Pisano, Marcello Tucci, Francesca Vignani, Valentina Bertaglia, Davide Iaconis, Pamela Guglielmini, Gianmauro Numico, Giorgio V Scagliotti, Massimo Di Maio
BACKGROUND: The neutrophil-to-lymphocyte ratio (NLR), a measure of systemic inflammatory response, has been associated with poor outcome in several solid tumors, including prostate cancer. We retrospectively investigated the prognostic role of pretreatment NLR in metastatic castration-resistant prostate cancer (mCRPC) patients treated with first-line docetaxel. METHODS: All CRPC patients treated with first-line docetaxel at two Italian institutions, with available data about baseline neutrophil and lymphocyte values, were included in this retrospective analysis...
January 9, 2017: Acta Oncologica
https://www.readbyqxmd.com/read/28057931/the-oprm1-a118g-polymorphism-modulates-the-descending-pain-modulatory-system-for-individual-pain-experience-in-young-women-with-primary-dysmenorrhea
#4
Shyh-Yuh Wei, Li-Fen Chen, Ming-Wei Lin, Wei-Chi Li, Intan Low, Ching-Ju Yang, Hsiang-Tai Chao, Jen-Chuen Hsieh
The mu-opioid receptor (OPRM1) A118G polymorphism underpins different pain sensitivity and opioid-analgesic outcome with unclear effect on the descending pain modulatory system (DPMS). Primary dysmenorrhea (PDM), the most prevalent gynecological problem with clear painful and pain free conditions, serves as a good clinical model of spontaneous pain. The objective of this imaging genetics study was therefore to explore if differences in functional connectivity (FC) of the DPMS between the OPRM1 A118G polymorphisms could provide a possible explanation for the differences in pain experience...
January 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28035585/effect-of-exercise-on-ovulation-a-systematic-review
#5
REVIEW
Osnat Hakimi, Luiz-Claudio Cameron
BACKGROUND: Infertility has been described as a devastating life crisis for couples, and has a particularly severe effect on women, in terms of anxiety and depression. Anovulation accounts for around 30% of female infertility, and while lifestyle factors such as physical activity are known to be important, the relationship between exercise and ovulation is multi-factorial and complex, and to date there are no clear recommendations concerning exercise regimes. OBJECTIVES: The objective of this review was to systematically assess the effect of physical activity on ovulation and to discuss the possible mechanisms by which exercise acts to modulate ovulation in reproductive-age women...
December 29, 2016: Sports Medicine
https://www.readbyqxmd.com/read/28028255/-a-new-treatment-strategy-novel-cell-free-and-concentrated-ascites-reinfusion-system-km-cart-for-massive-malignant-ascites
#6
Keisuke Matsusaki
Massive ascites associated with cancerous peritonitis can result in severe respiratory discomfort and abdominal fullness. Additionally, it can significantly impair the activities of daily living of a patient, and relaxation is difficult to achieve, even with opioids. Frequent ascites drainage can cause rapid worsening of the patient's general condition, and a large amount of ascites can lead to discontinuation of anti-cancer treatment. Cell-free and concentrated ascites reinfusion therapy(CART)for refractory ascites was first covered by the insurance system in 1981...
December 2016: Gan to Kagaku Ryoho. Cancer & Chemotherapy
https://www.readbyqxmd.com/read/27982437/commentary-unhealthy-diet-nutrient-status-and-adhd-symptoms-a-confounding-role-for-environmental-nitrous-oxide-exposure-reflections-on-rijlaarsdam-et%C3%A2-al-2016
#7
Keith Fluegge
Rijlaarsdam et al. (2016) recently published their findings utilizing a longitudinal design showing that prenatal 'unhealthy diet' was positively associated with IGF2 DNA methylation at birth across both youth cohorts. However, only in the EOP youth was prenatal 'unhealthy diet' positively associated with ADHD symptoms presumably through IGF2 DNA hypermethylation. Rijlaarsdam et al.'s () choice to assess high fat and sugar diet with the Food Frequency Questionnaire (FFQ) may offer some indication as to prenatal nutrient status, as the foods identified by the FFQ in their study are relatively low in free choline...
January 2017: Journal of Child Psychology and Psychiatry, and Allied Disciplines
https://www.readbyqxmd.com/read/27933094/the-newer-opioid-agonist-treatment-with-lower-substitutive-opiate-doses-is-associated-with-better-toxicology-outcome-than-the-older-harm-reduction-treatment
#8
Jacopo V Bizzarri, Valentina Casetti, Livia Sanna, Angelo Giovanni Icro Maremmani, Luca Rovai, Silvia Bacciardi, Daria Piacentino, Andreas Conca, Icro Maremmani
BACKGROUND: Charge-free heroin use disorder treatment in Italy follows two main approaches, i.e., harm reduction treatment (HRT) strategy in community low-threshold facilities for drug addiction and opioid agonist treatment (OAT) in high-threshold facilities for opioid addiction, focusing on pharmacological maintenance according to the Dole and Nyswander strategy. We aimed to compare the impact of HRT and OAT on patient outcome, as assessed through negativity for drugs on about 1-year urinalyses...
2016: Annals of General Psychiatry
https://www.readbyqxmd.com/read/27909965/correction-of-negative-effect-of-antenatal-hypoxia-on-liver-tissue-homeostasis-in-newborn-albino-rats-with-opioid-peptides
#9
O G Pinaeva, E N Sazonova, O A Lebed'ko, S S Timoshin
We studied the possibility of correction of the negative effects of antenatal hypoxia on the liver tissue homeostasis in 7-day-old albino rats by administration of opioid peptides in a dose of 100 μg/kg on postnatal days 2-6. Administration of mixed μ/δ-opioid receptor agonist Dalargin neutralized deviations of gravimetric indicators, parameters of proliferative activity, and activity of the nucleolar apparatus of hepatocytes. Administration of the non-opiate Leu-enkephalin analogue did not normalize gravimetric parameters and nucleolar apparatus parameters, however, it significantly increased the pool of proliferating hepatocytes...
December 2016: Bulletin of Experimental Biology and Medicine
https://www.readbyqxmd.com/read/27890744/gene-expression-of-pro-opiomelanocortin-and-melanocortin-receptors-is-regulated-in-the-hypothalamus-and-mesocorticolimbic-system-following-nicotine-administration
#10
Damla E Tapinc, Rabia Ilgin, Egemen Kaya, Oguz Gozen, Muzeyyen Ugur, Ersin O Koylu, Lutfiye Kanit, Aysegul Keser, Burcu Balkan
Pro-opiomelanocortin (POMC)-derived peptides and their receptors have been shown to play important roles in natural and drug-induced reward and reinforcement. Reward process may involve the regulation of POMC gene expression and the gene expression of POMC-derived peptide receptors. The present study investigated the alterations observed in the transcript levels of POMC, melanocortin 3 (MC3R), melanocortin 4 (MC4R) and mu-opioid receptors (MOR) in the hypothalamus and mesocorticolimbic system during nicotine exposure...
January 10, 2017: Neuroscience Letters
https://www.readbyqxmd.com/read/27860208/randomized-double-blind-trial-of-oral-methylnaltrexone-for-the-treatment-of-opioid-induced-constipation-in-patients-with-chronic-noncancer-pain
#11
Richard Rauck, Neal E Slatkin, Nancy Stambler, Joseph R Harper, Robert J Israel
BACKGROUND: Subcutaneous methylnaltrexone, a peripherally acting μ-opioid receptor antagonist, improves opioid-induced constipation (OIC) in patients with chronic noncancer pain. An oral methylnaltrexone formulation has been developed. METHODS: In this phase 3, double-blind trial, adults with chronic noncancer pain receiving opioid doses of ≥50 mg/d oral morphine equivalents with OIC were randomly assigned to oral methylnaltrexone (150 mg, 300 mg, or 450 mg) or placebo once daily (QD) for 4 weeks followed by as-needed dosing for 8 weeks...
November 17, 2016: Pain Practice: the Official Journal of World Institute of Pain
https://www.readbyqxmd.com/read/27852962/anatomy-and-immunochemical-characterization-of-the-non-arterial-peptidergic-diffuse-dural-innervation-of-the-rat-and-rhesus-monkey-implications-for-functional-regulation-and-treatment-in-migraine
#12
Frank L Rice, Jennifer Y Xie, Phillip J Albrecht, Emily Acker, Justin Bourgeois, Edita Navratilova, David W Dodick, Frank Porreca
OBJECTIVE: The interplay between neuronal innervation and other cell types underlies the physiological functions of the dura mater and contributes to pathophysiological conditions such as migraine. We characterized the extensive, but understudied, non-arterial diffuse dural innervation (DDI) of the rat and Rhesus monkey. METHODS: We used a comprehensive integrated multi-molecular immunofluorescence labeling strategy to extensively profile the rat DDI and to a lesser extent that of the Rhesus monkey...
November 16, 2016: Cephalalgia: An International Journal of Headache
https://www.readbyqxmd.com/read/27842543/design-of-the-indian-nca-study-indian-national-collaboration-on-aids-a-cluster-randomized-trial-to-evaluate-the-effectiveness-of-integrated-care-centers-to-improve-hiv-outcomes-among-men-who-have-sex-with-men-and-persons-who-inject-drugs-in-india
#13
Sunil S Solomon, Gregory M Lucas, David D Celentano, Allison M McFall, Elizabeth Ogburn, Lawrence H Moulton, Aylur K Srikrishnan, M Suresh Kumar, Santhanam Anand, Suniti Solomon, Shruti H Mehta
BACKGROUND: Globally, men who have sex with men and people who inject drugs remain disproportionately affected by HIV, but they have not been the focus of prevention and treatment interventions in many resource-limited settings. METHODS/DESIGN: This cluster-randomized trial (conducted from June 2012 to June 2017), evaluates whether single-venue, integrated delivery of core HIV services to vulnerable high-risk populations improves service utilization and consequently, HIV testing and other outcomes along the HIV care continuum...
November 14, 2016: BMC Health Services Research
https://www.readbyqxmd.com/read/27824241/opioid-less-perioperative-care
#14
Juan P Cata, Dario Bugada, Jose De Andrés
Opioids are the most frequently administered analgesics in the perioperative period. The analgesic potency of opioids is without question. While the opioid- free or opioid-less perioperative care concept is not a reality in most surgical centers of the United States and other developed countries, there is a significant number of healthcare problems (i.e. adverse events, opioid-induced hyperalgesia and opioid diversion) related to the indiscriminate use of opioids that warrants the implementation of multimodal analgesia strategies...
November 8, 2016: Minerva Anestesiologica
https://www.readbyqxmd.com/read/27817153/use-of-fentanyl-iontophoretic-transdermal-system-its-ionsys-%C3%A2-in-the-management-of-patients-with-acute-postoperative-pain-a-case-series
#15
Steven Poplawski, Matthew Johnson, Philip Philips, Leopold H J Eberhart, Tilo Koch, Loretta M Itri
Fentanyl iontophoretic transdermal system (ITS) [IONSYS(®), The Medicines Company, Parsippany, NJ, USA] is a needle-free, patient-controlled, postoperative opioid pain management treatment. It is indicated for the short-term management of acute postoperative pain in adults requiring opioid analgesia in the hospital. The safety and effectiveness of fentanyl ITS for acute postoperative pain management has been demonstrated in a range of surgery and patient types studied in seven phase 3 trials (three placebo-controlled trials and four active-comparator trials)...
December 2016: Pain and Therapy
https://www.readbyqxmd.com/read/27815110/hospital-to-post-acute-care-facility-transfers-identifying-targets-for-information-exchange-quality-improvement
#16
Christine D Jones, Ethan Cumbler, Benjamin Honigman, Robert E Burke, Rebecca S Boxer, Cari Levy, Eric A Coleman, Heidi L Wald
INTRODUCTION: Information exchange is critical to high-quality care transitions from hospitals to post-acute care (PAC) facilities. We conducted a survey to evaluate the completeness and timeliness of information transfer and communication between a tertiary-care academic hospital and its related PAC facilities. METHODS: This was a cross-sectional Web-based 36-question survey of 110 PAC clinicians and staff representing 31 PAC facilities conducted between October and December 2013...
January 2017: Journal of the American Medical Directors Association
https://www.readbyqxmd.com/read/27783629/efficacy-of-intrathecal-morphine-in-a-model-of-surgical-pain-in-rats
#17
Aurelie Thomas, Amy Miller, Johnny Roughan, Aneesa Malik, Katherine Haylor, Charlotte Sandersen, Paul Flecknell, Matthew Leach
Concerns over interactions between analgesics and experimental outcomes are a major reason for withholding opioids from rats undergoing surgical procedures. Only a fraction of morphine injected intravenously reaches receptors responsible for analgesia in the central nervous system. Intrathecal administration of morphine may represent a way to provide rats with analgesia while minimizing the amount of morphine injected. This study aimed to assess whether morphine injected intrathecally via direct lumbar puncture provides sufficient analgesia to rats exposed to acute surgical pain (caudal laparotomy)...
2016: PloS One
https://www.readbyqxmd.com/read/27781372/sufentanil-sublingual-tablet-30-mcg-for-the-management-of-pain-following-abdominal-surgery-a-randomized-placebo-controlled-phase-3-study
#18
Harold S Minkowitz, David Leiman, Timothy Melson, Neil Singla, Karen DiDonato, Pamela P Palmer
BACKGROUND: Results from a phase-3, prospective, randomized, double-blind, placebo-controlled trial evaluating sufentanil sublingual tablet 30 mcg (SST) for the management of pain after ambulatory abdominal surgery are presented. METHODS: Adults with American Society of Anesthesiologists status 1 - 3 scheduled to undergo abdominoplasty, open tension-free inguinal hernioplasty, or laparoscopic abdominal surgery under general or spinal anesthesia that did not include intrathecal opioids during the operation were eligible...
October 26, 2016: Pain Practice: the Official Journal of World Institute of Pain
https://www.readbyqxmd.com/read/27761040/a-comparison-of-intraperitoneal-bupivacaine-tramadol-with-bupivacaine-magnesium-sulphate-for-pain-relief-after-laparoscopic-cholecystectomy-a-prospective-randomised-study
#19
Anurag Yadava, Sunil K Rajput, Sarika Katiyar, Rajnish K Jain
BACKGROUND AND AIMS: In laparoscopic surgeries, intraperitoneal instillation of local anaesthetics and opioids is gaining popularity, for better pain relief. This study compared the quality and duration of post-operative analgesia using intraperitoneal tramadol plus bupivacaine (TB) or magnesium plus bupivacaine (MB). METHODS: In this study, 186 patients undergoing laparoscopic cholecystectomy were randomly divided into two groups: group TB received intraperitoneal tramadol with bupivacaine and group MB received intraperitoneal magnesium sulphate (MgSO4) with bupivacaine...
October 2016: Indian Journal of Anaesthesia
https://www.readbyqxmd.com/read/27752232/development-and-statistical-optimization-of-nefopam-hydrochloride-loaded-nanospheres-for-neuropathic-pain-using-box-behnken-design
#20
S Sukhbir, S Yashpal, A Sandeep
Nefopam hydrochloride (NFH) is a non-opioid centrally acting analgesic drug used to treat chronic condition such as neuropathic pain. In current research, sustained release nefopam hydrochloride loaded nanospheres (NFH-NS) were auspiciously synthesized using binary mixture of eudragit RL 100 and RS 100 with sorbitan monooleate as surfactant by quasi solvent diffusion technique and optimized by 3(5) Box-Behnken designs to evaluate the effects of process and formulation variables. Fourier transform infrared spectroscopy (FTIR), differential scanning calorimetric (DSC) and X-ray diffraction (XRD) affirmed absence of drug-polymer incompatibility and confirmed formation of nanospheres...
September 2016: Saudi Pharmaceutical Journal: SPJ: the Official Publication of the Saudi Pharmaceutical Society
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